public NameReference getUnspecifiedReferenceOptimized() {
/* build a (unspecified) NameReference which may be qualified
The optimization occurs for qualified reference while we are
certain in this case the last item of the qualified name is
a field access. This optimization is IMPORTANT while it results
that when a NameReference is build, the type checker should always
look for that it is not a type reference */
consumeNonTypeUseName();
int length;
if ((length = this.identifierLengthStack[this.identifierLengthPtr--]) == 1) {
// single variable reference
SingleNameReference ref =
newSingleNameReference(
this.identifierStack[this.identifierPtr],
this.identifierPositionStack[this.identifierPtr--]);
ref.bits &= ~ASTNode.RestrictiveFlagMASK;
ref.bits |= Binding.LOCAL | Binding.FIELD;
if (this.reportReferenceInfo) {
addUnknownRef(ref);
}
return ref;
}
// Qualified-variable-reference
// In fact it is variable-reference DOT field-ref , but it would result in a type
// conflict tha can be only reduce by making a superclass (or inetrface ) between
// nameReference and FiledReference or putting FieldReference under NameReference
// or else..........This optimisation is not really relevant so just leave as it is
char[][] tokens = new char[length][];
this.identifierPtr -= length;
System.arraycopy(this.identifierStack, this.identifierPtr + 1, tokens, 0, length);
long[] positions = new long[length];
System.arraycopy(this.identifierPositionStack, this.identifierPtr + 1, positions, 0, length);
QualifiedNameReference ref =
newQualifiedNameReference(
tokens,
positions,
(int) (this.identifierPositionStack[this.identifierPtr + 1] >> 32),
// sourceStart
(int) this.identifierPositionStack[this.identifierPtr + length]); // sourceEnd
ref.bits &= ~ASTNode.RestrictiveFlagMASK;
ref.bits |= Binding.LOCAL | Binding.FIELD;
if (this.reportReferenceInfo) {
addUnknownRef(ref);
}
return ref;
}
public boolean visit(SingleNameReference singleNameReference, BlockScope scope) {
this.collector.append("[v SNR " + cut(singleNameReference.toString()) + "]\n");
return super.visit(singleNameReference, scope);
}
public void endVisit(SingleNameReference singleNameReference, BlockScope scope) {
this.collector.append("[ev SNR " + cut(singleNameReference.toString()) + "]\n");
super.endVisit(singleNameReference, scope);
}